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Merge pull request #16032 from rootfs/nfs-support

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This commit is contained in:
k8s-merge-robot 2015-10-22 09:08:27 -07:00
commit 407ff583c4
2 changed files with 34 additions and 4 deletions
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26
pkg/volume/nfs/nfs.go
View File

@ -19,10 +19,12 @@ package nfs
import ( import (
"fmt" "fmt"
"os" "os"
"runtime"
"k8s.io/kubernetes/pkg/api" "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/types" "k8s.io/kubernetes/pkg/types"
"k8s.io/kubernetes/pkg/util" "k8s.io/kubernetes/pkg/util"
"k8s.io/kubernetes/pkg/util/exec"
"k8s.io/kubernetes/pkg/util/mount" "k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume" "k8s.io/kubernetes/pkg/volume"
@ -66,9 +68,29 @@ func (plugin *nfsPlugin) Name() string {
return nfsPluginName return nfsPluginName
} }
func hasNFSMount() bool {
exe := exec.New()
switch runtime.GOOS {
case "linux":
cmd1 := exe.Command("/bin/ls", "/sbin/mount.nfs")
_, err1 := cmd1.CombinedOutput()
cmd2 := exe.Command("/bin/ls", "/sbin/mount.nfs4")
_, err2 := cmd2.CombinedOutput()
return (err1 == nil || err2 == nil)
case "darwin":
cmd := exe.Command("/bin/ls", "/sbin/mount_nfs")
_, err := cmd.CombinedOutput()
return err == nil
}
return false
}
func (plugin *nfsPlugin) CanSupport(spec *volume.Spec) bool { func (plugin *nfsPlugin) CanSupport(spec *volume.Spec) bool {
return (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.NFS != nil) || if (spec.Volume != nil && spec.Volume.NFS == nil) || (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.NFS == nil) {
(spec.Volume != nil && spec.Volume.NFS != nil) return false
}
// see if /sbin/mount.nfs* is there
return hasNFSMount()
} }
func (plugin *nfsPlugin) GetAccessModes() []api.PersistentVolumeAccessMode { func (plugin *nfsPlugin) GetAccessModes() []api.PersistentVolumeAccessMode {

12
pkg/volume/nfs/nfs_test.go
View File

@ -38,12 +38,16 @@ func TestCanSupport(t *testing.T) {
if plug.Name() != "kubernetes.io/nfs" { if plug.Name() != "kubernetes.io/nfs" {
t.Errorf("Wrong name: %s", plug.Name()) t.Errorf("Wrong name: %s", plug.Name())
} }
if !plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{NFS: &api.NFSVolumeSource{}}}}) { foundMount := hasNFSMount()
if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{NFS: &api.NFSVolumeSource{}}}}) != foundMount {
t.Errorf("Expected true") t.Errorf("Expected true")
} }
if !plug.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{NFS: &api.NFSVolumeSource{}}}}}) { if plug.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{NFS: &api.NFSVolumeSource{}}}}}) != foundMount {
t.Errorf("Expected true") t.Errorf("Expected true")
} }
if plug.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{}}}}) {
t.Errorf("Expected false")
}
if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) { if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) {
t.Errorf("Expected false") t.Errorf("Expected false")
} }
@ -63,6 +67,10 @@ func TestGetAccessModes(t *testing.T) {
} }
func TestRecycler(t *testing.T) { func TestRecycler(t *testing.T) {
if foundMount := hasNFSMount(); !foundMount {
// FindRecyclablePluginBySpec will test CanSupport() but mount helper is absent
return
}
plugMgr := volume.VolumePluginMgr{} plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins([]volume.VolumePlugin{&nfsPlugin{nil, newMockRecycler, volume.VolumeConfig{}}}, volume.NewFakeVolumeHost("/tmp/fake", nil, nil)) plugMgr.InitPlugins([]volume.VolumePlugin{&nfsPlugin{nil, newMockRecycler, volume.VolumeConfig{}}}, volume.NewFakeVolumeHost("/tmp/fake", nil, nil))